Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total		Share Capital	[1]	Additional Paid-in Capital	Treasury Stock	Deficit
Balance, beginning of period at Dec. 31, 2022			$ 10,272		$ 1,291,354	$ (27,317)	$ (856,743)
Increase (Decrease) in Stockholders' Equity
Stock-based compensation (Note 5)					619
Re-purchase of shares of Common Stock (Note 5)						(10,718)
Net loss	$ (9,700)						(9,700)
Balance, end of period at Mar. 31, 2023	397,767		10,272		1,291,973	(38,035)	(866,443)
Balance, beginning of period at Dec. 31, 2023	396,394	[2]	9,936		1,249,651	(163)	(863,030)
Increase (Decrease) in Stockholders' Equity
Cancellation of shares of Common Stock (Note 5)			(1)		(4,907)
Exercise of stock options					161
Stock-based compensation (Note 5)					482
Re-purchase of shares of Common Stock (Note 5)						(4,948)
Cancellation of shares of Common Stock (Note 5)						4,908
Net loss	(78)						(78)
Balance, end of period at Mar. 31, 2024	$ 392,011	[2]	$ 9,935		$ 1,245,387	$ (203)	$ (863,108)

[1] Reflects Company’s 1-for-10 reverse stock split that became effective May 5, 2023.

[2] Reflects Company’s 1-for-10 reverse stock split that became effective May 5, 2023.